This book is a facsimile reprint and may contain imperfections such as marks, notations, marginalia and flawed pages. 1691. In two books concerning mechanical powers and motions. Being one of the most easy, pleasant, useful (and yet most neglected) part of mathematics, not before treated in this language. The subject of this discourse is of mixed mathematics. Due to the age of the original we reproduced, some pages may be spotty or faded. Written in Old English.
